[jira] [Created] (AMBARI-17399) Hive llap principals are shown on Configure Identity even when Hive is not deployed

["Antonenko Alexander (JIRA)" <ji...@apache.org>]

Antonenko Alexander created AMBARI-17399:
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             Summary: Hive llap principals are shown on Configure Identity even when Hive is not deployed
                 Key: AMBARI-17399
                 URL: https://issues.apache.org/jira/browse/AMBARI-17399
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.4.0
            Reporter: Antonenko Alexander
            Assignee: Antonenko Alexander
            Priority: Critical
             Fix For: 2.4.0


1. Deploy ambari cluster with YARN, HDFS, ZOOKEEPER and HBASE
2. enable security (AD)

Expected: On ConfigureIdentities page hive.llap.zk.sm.principal and hive.llap.zk.sm.keytab.file
 should not be present if hive is not deployed on cluster.

Actual: These 2 properties are showing under Ambari Principals panel even when Hive is not deployed on the cluster.

Attached screenshot for reference.

*Cause*
This is caused when identities that have _when_ clauses are not filtered out if the when clause evaluates to {{false}} when the UI queries for the (composite) Kerberos Descriptor. 

*Solution*
Use the {{evaluate_when}} and (optionally) the {{additional_services}} _{{GET}} directives_ to have {{when}} Kerberos descriptor identitiy {{when}} clauses evaluated when requesting Kerberos descriptors. 

{noformat:title=Get composite Kerberos descriptor when enabling Kerberos}
GET /api/v1/clusters/CLUSTER_NAME/kerberos_descriptors/COMPOSITE?evaluate_when=true
{noformat}

{noformat:title=Get composite Kerberos descriptor when adding services (HIVE, PIG, and TEZ)}
GET /api/v1/clusters/CLUSTER_NAME/kerberos_descriptors/COMPOSITE?evaluate_when=true&additional_services=HIVE,TEZ,PIG
{noformat}
 





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